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Like other architectures, RISCV KVM also needs to add these event tracepoints to count the number of times kvm guest entry/exit. Signed-off-by: Shenlin Liang <liangshenlin@eswincomputing.com> Reviewed-by: Anup Patel <anup@brainfault.org> Tested-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20240422080833.8745-2-liangshenlin@eswincomputing.com Signed-off-by: Anup Patel <anup@brainfault.org>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Tracepoints for RISC-V KVM
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*
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* Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.
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*
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*/
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#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_KVM_H
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM kvm
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TRACE_EVENT(kvm_entry,
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TP_PROTO(struct kvm_vcpu *vcpu),
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TP_ARGS(vcpu),
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TP_STRUCT__entry(
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__field(unsigned long, pc)
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),
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TP_fast_assign(
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__entry->pc = vcpu->arch.guest_context.sepc;
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),
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TP_printk("PC: 0x016%lx", __entry->pc)
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);
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TRACE_EVENT(kvm_exit,
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TP_PROTO(struct kvm_cpu_trap *trap),
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TP_ARGS(trap),
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TP_STRUCT__entry(
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__field(unsigned long, sepc)
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__field(unsigned long, scause)
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__field(unsigned long, stval)
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__field(unsigned long, htval)
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__field(unsigned long, htinst)
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),
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TP_fast_assign(
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__entry->sepc = trap->sepc;
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__entry->scause = trap->scause;
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__entry->stval = trap->stval;
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__entry->htval = trap->htval;
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__entry->htinst = trap->htinst;
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),
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TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx",
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__entry->sepc,
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__entry->scause,
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__entry->stval,
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__entry->htval,
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__entry->htinst)
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);
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#endif /* _TRACE_RSICV_KVM_H */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE trace
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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